Algebra please
I have two left I need help with and dont understand. Find the partial sum S6 1. An=3n+2 2. Find the number of terms n in an arithmetic sequence if a1=20, d=5, and An=75.
Algebra
Thanks for the help bobpursley and Reiny I appreciate showing how you got to it so I can also do it.
Algebra
I have 3 questions I'm stuck on and would love for someone to explain and show me how to solve them so I can also solve the other one. Find the partial sum S6 1. An=3n+2 2. Find the number of terms n in an arithmetic sequence if a1=20, d=5, and An=75. 3. Find the general t...
Algebra
I have a few problems I need some help with. The first is Evaluate the sum. 1. There is an E like symbol on the top is 10 on the bottom n=1 and to the right (7-2n) 2. The next question is find a10 for an arithmetic sequence with a1=6 and d=10 3. Find the number of terms in the...
Math
A theater group made appearances in two cities. The hotel charge before tax in the second city was $1000 higher than in the first. The tax in the first city was 4% , and the tax in the second city was 7% . The total hotel tax paid for the two cities was $455 . How much was the...
Calculus
Calculate the area of the common interior of r = 2sin(theta) and r = 2cos(theta)
physics
A person weights 685 N in air but only 497 N when standing in water up to the hips. Find (a) the volume of each of the person’s legs and (b) the mass of each leg, assuming they have a density that is 1.05 times the density of water.
Business
I have to write a research paper on MBWA (Management by walking around) but I honestly can't think of any good thesis's, or topics to write about. Any ideas?
AP Calc Help!!
Let f be the function satisfying f'(x)=x√(f(x)) for all real numbers x, where f(3)=25. 1. Find f''(3). 2. Write an expression for y=f(x) by solving the differential equation dy/dx=x√y with the initial condition f(3)=25. Please show work and reasoning.
Math
Simplify: 5th roof of (6th root of 10 * sqaure root of 1000) or: (10^1/6 * 1000^1/2)^1/5 (^ another way of writing it)
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